One-quarter turn straight ball shutoff valve



FIG. 1 is a top plan view of one embodiment of a one-quarter turn straight ball shutoff valve of my new design;

FIG. 2 is a left end view of FIG. 1;

FIG. 3 is a front elevational view of FIG. 1;

FIG. 4 is a right end view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is a rear elevational view of a further embodiment of a one-quarter turn straight ball shutoff vlave of my new design; the undisclosed ends being similar to the first disclosed embodiment, except for the appearance of an unthreaded, rather than a threaded left end outlet;

FIG. 8 is a front elevational view of FIG. 7;

FIG. 9 is a top plan view FIG. 7;

FIG. 10 is a bottom plan view of FIG. 7;

FIG. 11 is a top plan view of a still further embodiment of a one-quarter turn straight ball shutoff valve of my new design;

FIG. 12 is a bottom plan view of FIG. 11;

FIG. 13 is a front elevational view of FIG. 11;

FIG. 14 is a rear elevational view of FIG. 11;

FIG. 15 is a left end view of FIG. 13;

FIG. 16 is a right end view of FIG. 13; and,

FIG. 17 is a cross-sectional view taken along line 17--17 of FIG. 13, showing the lower surface of the lever operator. 

The ornamental design for a one-quarter turn straight ball shutoff valve as shown and described. 